Call2Teams - Customers
The following message appears during the process of adding the Teams Service using the OneClick method:
Note: this notification also applies to Teams Meeting Room setup.
See: Teams Meeting Room Setup - Manual Intervention Required
Clicking Advice shows the following Office 365 page:
What Does This Mean?
As per the article here: Why Do I Need A Spare Microsoft Licence?
Customers need to have a spare user licence available to allow the service to automatically configure DNS entries. If this is not available the setup process cannot complete.
The simplest way to resolve this issue is to provide an unallocated user licence on the Microsoft 365 account and run Sync Now again.
For the domain activation customers need at least one (preferably two) unused licences of any the following types:
The spare licence can be removed after the setup and Sync successfully completes.
This is the longest part of the automated process since DNS records have to migrate through many systems within Microsoft. Users are advised to keep the service page open and regularly refresh it to see status updates.